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作用边界
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     Provision Mechanism for Public Goods: Function Boundary Transition and Influence Factors
     公共品供给机制:作用边界变迁及影响因素
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     So, our government should hold the function boundary of the good government and market on the policy dynamically, and reform the current system environment of our country gradually, to match valid system terms.
     为此,我国政府在政策上应动态地把握好政府与市场的作用边界,逐步改革我国现行制度环境,使之与有效制度条件相耦合。
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     Establishing the coupled equations of heat and moisture transfer in the materials to describe the moisture adsorption/desorption processes, obtains the analytical solutions of temperature and humidity ratio in the materials by transforming the equations with the steady periodic convective boundary conditions.
     建立了调湿材料吸放湿过程的热湿传递耦合方程,在周期性热湿作用边界条件下对耦合方程进行变换分析,得出其理论解。
短句来源
     To foster and boom the land market, as the main body of landsupply in the first class land market and the common authority in regulating thewhole land market, the government must establish the market rules and plot out theeffective working border between market and government.
     无疑具有过渡特征——是政府主导下的培育和发展土地市场,须政府完善市场规则,划分市场与政府的各自的有效作用边界,同时政府又是一级市场的供给主体和作为调控整体土地市场公共权威,或者说这一切正在运行或完善过程中。
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     define the border of role and field of the government in forestry of the state-owned forest zone clearly according to economic analysis theory of the function of the government; propose the orientation of concrete key regulation and measure to the government regulation of commonweal woods management subject and merchandise woods management enterprise separately;
     根据政府作用经济分析理论明确界定了政府在国有林区林业中的作用边界及领域,公益林经营主体和商品林经营企业的政府规制提出了重点规制的取向和措施;
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     A NUMERICAL STUDY OF THE BOUNDARY LAYER EFFECT ON MATURE TYPHOON
     成熟台风边界作用的数值研究
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     The Function and Boundary of Economic Law in Social Distribution
     论经济法在社会分配中的作用边界
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     Affect of Role Intrusion Detection System
     入侵检测系统的作用
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     Boundary thinking
     边界沉思
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     The Function of Capital
     资本金的作用
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Migrations of seismic activity observed after large earthquakes which occurred in and near the Japanese Islands are investigated, A common feature of migrational phenomena in the six cases which are studied in this paper is that migration occurred along geological tectonic zones, Sometimes existence of active tectonic zone is reconfirmed by the appearance of migrational phenomena, Analogizing to plate boundary regions where seismic activity is known to migrate or diffuse along mechanically coupled plane, we...

Migrations of seismic activity observed after large earthquakes which occurred in and near the Japanese Islands are investigated, A common feature of migrational phenomena in the six cases which are studied in this paper is that migration occurred along geological tectonic zones, Sometimes existence of active tectonic zone is reconfirmed by the appearance of migrational phenomena, Analogizing to plate boundary regions where seismic activity is known to migrate or diffuse along mechanically coupled plane, we can consider that inland active tectonic zones correspond to mechanically interacting boundaries of crustal blocks. It is likely that more than one type exist in miqrational phenomena. In the cases we investigated following characteristics are observed that velocity of migration is about several km/year, seismic gaps remain between focal regions of large earthquakes, and there are seismically active periods in each seismic belt. A possible mechanism of migration is successive break down of asperities in which tectonic stress concentrates by relative movement of crustal blocks.

本文研究了日本内陆及其外围海域发生大地震后的地震活动迁移现象。在所研究的6个震例中,一个共同的特点是,地震活动的迁移总是沿着地壳内的活动地质构造带发生。有时可以根据地震活动的迁移来进一步确定活动构造带的存在。把板块边缘地区的地震活动类比为沿着力学偶合平面迁移和扩散,我们可以认为,岛上的活动构造带对应着地壳块体的力学相互作用边界。地震迁移的形式可能不只一种。在我们所研究的震例中发现了以下特征:地震迁移速度约为几km/年;大地震震源区之间存在着地震空区;在每一条地震带上有一定的地震活动周期。地震迁移的一种可能机制是:由于地壳块体的相对运动,在其边界上的凹凸不平区造成了构造应力集中,这些凹凸不平区相继地发生破裂,形成了地震迁移。

In this paper the problem of the liquid pressure expasion of the shielding ring is analysed based on the rigid-plastic finite element method. A method is developed of how to solve the problem of unknown displacement rate on the boundary affected by outer load.Stresses and strains distribution, changes of the load and shape durnig the whole process of the liquid pressure expansion are calculated and the optimum die factors are given. The calculation is in good agreement with the results of the test.

本文用刚塑性有限元法分析了护环的液压胀形问题。研究了对于外载荷作用边界上位移速度不能给定问题如何求解的方法。计算出了胀形全过程中护环的应力、应变分布,外形尺寸和载荷的变化,以及最佳工具参数。计算结果和实验符合较好。

The recent study of ultra-high-pressure metamorphic rocks from the Western Alps, the Western-Norway Gneiss Region, the eastern-central China and some areas in USSR is summarized briefly in this paper. Coesite as well as its expansion fracture textures formed during conversion of co-esite into quartz are proposed to be the indicator of ultra-high-pressure metamorphism. The other minerals and mineral assemblages symbolizing ultra-high-pressure include Mg-staurolite, ellenbergerite, jadeite-kynite.talc- kynite...

The recent study of ultra-high-pressure metamorphic rocks from the Western Alps, the Western-Norway Gneiss Region, the eastern-central China and some areas in USSR is summarized briefly in this paper. Coesite as well as its expansion fracture textures formed during conversion of co-esite into quartz are proposed to be the indicator of ultra-high-pressure metamorphism. The other minerals and mineral assemblages symbolizing ultra-high-pressure include Mg-staurolite, ellenbergerite, jadeite-kynite.talc- kynite and talc - phengite. Diamond represents extremely high-pressure condition. Ultra-high-pressure metamorphism formed at the pressure of more than 2. 8GPa and the temperature from 700 to 840 ℃ requires an abnormally low geothermal gradient, about 7℃/km. The pressures decrease together with temperatures during retrograde metamorphism. Ultra-high-pressure rocks totally restricted within major intracontinental orogenic belts suggest that they may be produced by subduction to depths of more than 90km during continent-continent collision. The rapid tectonic uplift for preservation of coesite may be due to continuous subduction-obduction. The occurrences of ultra-high-pressure rocks in orogenic belts in different areas and at different ages in the world suggest that this type of metamorphism is widely spread other than rare. Obviously.it is important for geologists to study these typical rocks in detail and establish a tectonometamorphic model for ultra-high-pressure metamorphism.

本文简要概述了近年在西阿尔卑斯、挪威西部、我国中东部及苏联一些地区超高压变质岩石的最新研究成果,指出柯石英及其向石英转变而形成的张裂结构是鉴别这一超高压变质作用的主要标志.指示超高压变质条件的其它矿物及矿物组合的尚有镁十字石、ellenberserite、硬玉十蓝晶石、滑石十蓝晶石和滑石十多硅白云母等,金刚石代表更极端的高压条件.超高压变质作用的边界压力>2.SGPa,温度约700~840C,代表一个近于7℃/km的极低的地热梯度,其退化轨还为压力和温度同时降低.超高压变质岩石严格地产出于陆内造山带,表明它们是在大陆与大陆碰撞过程中由深俯冲作用形成的,其俯冲深度可超过90km,使柯石英得以保存的快速构造抬升可能是连续俯冲一仰冲的结果.

 
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